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                        Python高级
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                            <b>1.</b>
                        
                        Python语法高级专题1
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                            <b>1.3.</b>
                        
                        import导入模块
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                            <b>1.4.</b>
                        
                        总结
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                            <b>2.</b>
                        
                        Python语法高级专题2
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                        多继承和MRO顺序
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                            <b>2.2.</b>
                        
                        property属性
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                            <b>2.3.</b>
                        
                        魔法属性和方法
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                            <b>2.4.</b>
                        
                        with管理上下文
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                            <b>2.5.</b>
                        
                        总结
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                            <b>3.</b>
                        
                        Python语法之装饰器
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                            <b>3.1.</b>
                        
                        闭包
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                            <b>3.2.</b>
                        
                        装饰器
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                            <b>3.3.</b>
                        
                        总结
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                            <b>4.</b>
                        
                        MySQL数据库基本操作
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                            <b>4.1.</b>
                        
                        数据库概述
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                            <b>4.2.</b>
                        
                        数据完整性
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                            <b>4.3.</b>
                        
                        图形化客户端Navicat
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                            <b>4.4.</b>
                        
                        命令行客户端SQL的使用
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                            <b>4.4.1.</b>
                        
                        登录和退出数据库
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                            <b>4.4.2.</b>
                        
                        表结构的操作
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                            <b>4.4.3.</b>
                        
                        数据库的操作
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                            <b>4.4.4.</b>
                        
                        表数据的操作
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                            <b>4.5.</b>
                        
                        知识总结
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                            <b>5.</b>
                        
                        MYSQL数据库进阶操作
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                            <b>5.1.</b>
                        
                        练习强化
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                            <b>5.2.</b>
                        
                        条件
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                            <b>5.3.</b>
                        
                        排序
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                            <b>5.4.</b>
                        
                        分页
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                            <b>5.5.</b>
                        
                        聚合函数
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                            <b>5.6.</b>
                        
                        分组
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                            <b>5.7.</b>
                        
                        连接
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                            <b>5.8.</b>
                        
                        自连接
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                            <b>5.9.</b>
                        
                        子查询
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                            <b>5.10.</b>
                        
                        总结
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                            <b>6.</b>
                        
                        MYSQL数据库编程
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                            <b>6.1.</b>
                        
                        数据准备
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                            <b>6.2.</b>
                        
                        SQL演练
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                            <b>6.3.</b>
                        
                        数据库设计
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                            <b>6.4.</b>
                        
                        数据库编程
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                            <b>6.5.</b>
                        
                        总结
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                            <b>7.</b>
                        
                        MySQL数据库高级用法
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                            <b>7.1.</b>
                        
                        视图
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                            <b>7.2.</b>
                        
                        事务
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                            <b>7.3.</b>
                        
                        索引
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                            <b>7.4.</b>
                        
                        用户管理
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                            <b>7.5.</b>
                        
                        主从配置
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                            <b>7.6.</b>
                        
                        总结
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                            <b>8.</b>
                        
                        miniweb框架
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                            <b>8.1.</b>
                        
                        框架概念
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                            <b>8.2.</b>
                        
                        实现一个简单的框架
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                            <b>8.3.</b>
                        
                        模板替换
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                            <b>8.4.</b>
                        
                        路由概念
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                            <b>8.5.</b>
                        
                        股票收藏夹
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                            <b>8.6.</b>
                        
                        复习
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<p>&#x4EE5;&#x8981;&#x8BBE;&#x8BA1;&#x8868;&#x7ED3;&#x6784;&#x6765;&#x5B58;&#x50A8; &#x5168;&#x56FD; &#x6240;&#x6709;&#x7684;&#x7701;&#x4EFD;&#x548C; &#x5168;&#x56FD;&#x6240;&#x6709;&#x7684;&#x5E02;</p>
<ul>
<li><p>&#x8BBE;&#x8BA1;&#x7701;&#x4FE1;&#x606F;&#x7684;&#x8868;&#x7ED3;&#x6784;provinces</p>
<ul>
<li>id &#x7701;&#x7684;&#x7F16;&#x53F7;</li>
<li>ptitle &#x7701;&#x540D;&#x79F0;</li>
</ul>
</li>
<li><p>&#x8BBE;&#x8BA1;&#x5E02;&#x4FE1;&#x606F;&#x7684;&#x8868;&#x7ED3;&#x6784;citys</p>
<ul>
<li>id &#x5E02;&#x7F16;&#x53F7;</li>
<li>ctitle &#x5E02;&#x540D;&#x79F0;</li>
<li>proid &#x5E02;&#x6240;&#x5C5E;&#x7684;&#x7701;&#x7684;&#x7F16;&#x53F7;</li>
</ul>
</li>
</ul>
<ul>
<li>citys&#x8868;&#x7684;proid&#x8868;&#x793A;&#x57CE;&#x5E02;&#x6240;&#x5C5E;&#x7684;&#x7701;&#xFF0C;&#x5BF9;&#x5E94;&#x7740;provinces&#x8868;&#x7684;id&#x503C;</li>
</ul>
<p>&#x5982;&#x679C;&#x9700;&#x8981;&#x67E5;&#x8BE2;&#x4E00;&#x4E2A;&#x7701; &#x6BD4;&#x5982;&#x5E7F;&#x4E1C;&#x7701;&#x5BF9;&#x5E94;&#x7684;&#x6240;&#x6709;&#x7684;&#x65F6;&#x7684;&#x4FE1;&#x606F; ,&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x4E24;&#x4E2A;&#x8868;&#x8FDE;&#x63A5;&#x67E5;&#x8BE2;&#x3002;</p>
<blockquote>
<p>&#x95EE;&#x9898;: &#x80FD;&#x4E0D;&#x80FD;&#x5C06;&#x4E24;&#x4E2A;&#x8868;&#x5408;&#x6210;&#x4E00;&#x5F20;&#x8868;&#x5462;&#xFF1F;</p>
</blockquote>
<p>&#x89C2;&#x5BDF;&#x4E24;&#x5F20;&#x8868;&#x53D1;&#x73B0;&#xFF0C;citys&#x8868;&#x6BD4;provinces&#x8868;&#x591A;&#x4E00;&#x4E2A;&#x5217;proid&#xFF0C;&#x5176;&#x5B83;&#x5217;&#x7684;&#x7C7B;&#x578B;&#x90FD;&#x662F;&#x4E00;&#x6837;&#x7684;&#x3002;&#x8FD9;&#x6837;&#x505A;&#x7684;<strong>&#x597D;&#x5904;</strong>&#x5728;&#x4E8E;: &#x5B58;&#x50A8;&#x7684;&#x90FD;&#x662F;&#x5730;&#x533A;&#x4FE1;&#x606F;&#xFF0C;&#x800C;&#x4E14;&#x6BCF;&#x79CD;&#x4FE1;&#x606F;&#x7684;&#x6570;&#x636E;&#x91CF;&#x6709;&#x9650;&#xFF0C;&#x6CA1;&#x5FC5;&#x8981;&#x589E;&#x52A0;&#x4E00;&#x4E2A;&#x65B0;&#x8868;&#xFF0C;&#x6216;&#x8005;&#x5C06;&#x6765;&#x8FD8;&#x8981;&#x5B58;&#x50A8;&#x533A;&#x3001;&#x4E61;&#x9547;&#x4FE1;&#x606F;&#xFF0C;&#x90FD;&#x589E;&#x52A0;&#x65B0;&#x8868;&#x7684;&#x5F00;&#x9500;&#x592A;&#x5927;&#x3002;</p>
<p><strong>&#x5B9A;&#x4E49;&#x8868;areas&#xFF0C;&#x7ED3;&#x6784;&#x5982;&#x4E0B;</strong></p>
<ul>
<li>id</li>
<li>atitle</li>
<li>pid</li>
</ul>
<blockquote>
<p>&#x5173;&#x4E8E;&#x8FD9;&#x4E2A;&#x8868;&#x7684;&#x8BF4;&#x660E;:</p>
<ul>
<li>&#x56E0;&#x4E3A;&#x7701;&#x6CA1;&#x6709;&#x6240;&#x5C5E;&#x7684;&#x7701;&#x4EFD;&#xFF0C;&#x6240;&#x4EE5;&#x53EF;&#x4EE5;&#x586B;&#x5199;&#x4E3A;null</li>
<li>&#x57CE;&#x5E02;&#x6240;&#x5C5E;&#x7684;&#x7701;&#x4EFD;pid&#xFF0C;&#x586B;&#x5199;&#x7701;&#x6240;&#x5BF9;&#x5E94;&#x7684;&#x7F16;&#x53F7;id</li>
<li>&#x8FD9;&#x5C31;&#x662F;&#x81EA;&#x5173;&#x8054;&#xFF0C;&#x8868;&#x4E2D;&#x7684;&#x67D0;&#x4E00;&#x5217;&#xFF0C;&#x5173;&#x8054;&#x4E86;&#x8FD9;&#x4E2A;&#x8868;&#x4E2D;&#x7684;&#x53E6;&#x5916;&#x4E00;&#x5217;&#xFF0C;&#x4F46;&#x662F;&#x5B83;&#x4EEC;&#x7684;&#x4E1A;&#x52A1;&#x903B;&#x8F91;&#x542B;&#x4E49;&#x662F;&#x4E0D;&#x4E00;&#x6837;&#x7684;&#xFF0C;&#x57CE;&#x5E02;&#x4FE1;&#x606F;&#x7684;pid&#x5F15;&#x7528;&#x7684;&#x662F;&#x7701;&#x4FE1;&#x606F;&#x7684;id</li>
<li>&#x5728;&#x8FD9;&#x4E2A;&#x8868;&#x4E2D;&#xFF0C;&#x7ED3;&#x6784;&#x4E0D;&#x53D8;&#xFF0C;&#x53EF;&#x4EE5;&#x6DFB;&#x52A0;&#x533A;&#x53BF;&#x3001;&#x4E61;&#x9547;&#x8857;&#x9053;&#x3001;&#x6751;&#x793E;&#x533A;&#x7B49;&#x4FE1;&#x606F;</li>
</ul>
<p>&#x95EE;&#x9898;: &#x5982;&#x679C;&#x8FD8;&#x662F;&#x8981;&#x67E5;&#x8BE2;&#x5E7F;&#x4E1C;&#x7701;&#x5BF9;&#x5E94;&#x7684;&#x6240;&#x6709;&#x7684;&#x5E02;&#x7684;&#x4FE1;&#x606F;&#xFF0C;&#x54B1;&#x4EEC;&#x5E94;&#x8BE5;&#x600E;&#x4E48;&#x505A;&#x5462;?
  areas&#x8868;&#x548C;&#x81EA;&#x8EAB;&#x8FDB;&#x884C;&#x8FDE;&#x63A5;&#x64CD;&#x4F5C; &#x5C31;&#x79F0;&#x4E3A;&#x81EA;&#x8FDE;&#x63A5;&#x3002;</p>
</blockquote>
<h2 id="83-&#x51C6;&#x5907;&#x6570;&#x636E;">8.3 &#x51C6;&#x5907;&#x6570;&#x636E;</h2>
<ol>
<li>&#x521B;&#x5EFA;areas&#x8868;&#x7684;&#x8BED;&#x53E5;&#x5982;&#x4E0B;&#xFF1A;</li>
</ol>
<pre><code class="lang-sql"><span class="hljs-operator"><span class="hljs-keyword">create</span> <span class="hljs-keyword">table</span> areas(
    aid <span class="hljs-built_in">int</span> primary <span class="hljs-keyword">key</span>,
    atitle <span class="hljs-built_in">varchar</span>(<span class="hljs-number">20</span>),
    pid <span class="hljs-built_in">int</span>
);</span>
</code></pre>
<ul>
<li>&#x4ECE;sql&#x6587;&#x4EF6;&#x4E2D;&#x5BFC;&#x5165;&#x6570;&#x636E;</li>
</ul>
<pre><code class="lang-sql">source areas.sql;
</code></pre>
<h2 id="84-&#x81EA;&#x8FDE;&#x63A5;&#x67E5;&#x8BE2;&#x7528;&#x6CD5;">8.4 &#x81EA;&#x8FDE;&#x63A5;&#x67E5;&#x8BE2;&#x7528;&#x6CD5;</h2>
<ul>
<li>&#x67E5;&#x8BE2;&#x4E00;&#x5171;&#x6709;&#x591A;&#x5C11;&#x4E2A;&#x7701;</li>
</ul>
<pre><code class="lang-sql"><span class="hljs-operator"><span class="hljs-keyword">select</span> <span class="hljs-keyword">count</span>(*) <span class="hljs-keyword">from</span> areas <span class="hljs-keyword">where</span> pid <span class="hljs-keyword">is</span> <span class="hljs-literal">null</span>;</span>
</code></pre>
<ul>
<li>&#x4F8B;1&#xFF1A;&#x67E5;&#x8BE2;&#x7701;&#x7684;&#x540D;&#x79F0;&#x4E3A;&#x201C;&#x5C71;&#x897F;&#x7701;&#x201D;&#x7684;&#x6240;&#x6709;&#x57CE;&#x5E02;</li>
</ul>
<pre><code class="lang-sql"><span class="hljs-operator"><span class="hljs-keyword">select</span> city.* <span class="hljs-keyword">from</span> areas <span class="hljs-keyword">as</span> city
<span class="hljs-keyword">inner</span> <span class="hljs-keyword">join</span> areas <span class="hljs-keyword">as</span> province <span class="hljs-keyword">on</span> city.pid=province.aid
<span class="hljs-keyword">where</span> province.atitle=<span class="hljs-string">&apos;&#x5C71;&#x897F;&#x7701;&apos;</span>;</span>
</code></pre>
<ul>
<li>&#x4F8B;2&#xFF1A;&#x67E5;&#x8BE2;&#x5E02;&#x7684;&#x540D;&#x79F0;&#x4E3A;&#x201C;&#x5E7F;&#x5DDE;&#x5E02;&#x201D;&#x7684;&#x6240;&#x6709;&#x533A;&#x53BF;</li>
</ul>
<pre><code class="lang-sql"><span class="hljs-operator"><span class="hljs-keyword">select</span> dis.* <span class="hljs-keyword">from</span> areas <span class="hljs-keyword">as</span> dis
<span class="hljs-keyword">inner</span> <span class="hljs-keyword">join</span> areas <span class="hljs-keyword">as</span> city <span class="hljs-keyword">on</span> city.aid=dis.pid
<span class="hljs-keyword">where</span> city.atitle=<span class="hljs-string">&apos;&#x5E7F;&#x5DDE;&#x5E02;&apos;</span>;</span>
</code></pre>
<h2 id="85-&#x603B;&#x7ED3;">8.5 &#x603B;&#x7ED3;</h2>
<ol>
<li>&#x5F53;&#x9700;&#x8981;&#x5C06;&#x591A;&#x5F20;&quot;&#x8868;&quot;&#x7684;&#x76F8;&#x5173;&#x6570;&#x636E;&#x6C47;&#x603B;&#x4E00;&#x4E2A;&#x7ED3;&#x679C;&#x96C6;&#x4E2D;, &#x5E76;&#x4E14;&#x591A;&#x5F20;&quot;&#x8868;&quot;&#x7684;&#x6570;&#x636E;&#x6765;&#x81EA;&#x4E8E;&#x540C;&#x4E00;&#x5F20;&#x8868;</li>
<li>&#x81EA;&#x8FDE;&#x63A5;&#x5C31;&#x662F;&#x4E00;&#x79CD;&#x7279;&#x6B8A;&#x7684;&#x8FDE;&#x63A5;&#x65B9;&#x5F0F; </li>
<li>&#x9700;&#x8981;&#x5BF9;&#x8868;&#x8D77;&#x591A;&#x4E2A;&#x4E0D;&#x540C;&#x7684;&#x522B;&#x540D;&#x624D;&#x80FD;&#x8FDB;&#x884C;&#x81EA;&#x8FDE;&#x63A5;&#x67E5;&#x8BE2;</li>
</ol>

                    
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